First report of crown gall caused by an Agrobacterium sp. on diffuse knapweed (Centaurea diffusa).

Eskandari, F. M., Bruckart, W. L., III, Schaad, N. W., Sechler, A., Postnikova, E., Caesar, A. J., Coombs, E. M., (2008). Plant Disease 92(3), 487. American Phytopathological Society (APS Press), St. Paul, USA. English language

Developing an optimal release strategy for the rust fungus Puccinia jaceae var. solstitialis for biological control of Centaurea solstitialis (yellow starthistle).

Fisher, A. J., Woods, D. M., Smith, L., Bruckart, W. L., III, (2007). Biological Control 42(2), 161-171. Elsevier, Amsterdam, Netherlands. English language